International Symposium on the Identification and Assay of Viruses and Bacillus Thuringiensis Used for Insect Control (London, 13th July 1964)
Pages: 29 - 40
International Symposium on the Identification and Assay of Viruses and Bacillus Thuringiensis Used for Insect Control (London, 13th July 1964)
Pages: 41 - 47
International Symposium on the Identification and Assay of Viruses and Bacillus Thuringiensis Used for Insect Control (London, 13th July 1964)
Pages: 49 - 54
International Symposium on the Identification and Assay of Viruses and Bacillus Thuringiensis Used for Insect Control (London, 13th July 1964)
Pages: 55 - 65